Разложите на множители квадратный трехчлен: (^-это степень)
1)x^2+24х+44
2)х^2-17x+70
3)x^2-40x+351
4)x^2+4x-60
1)x^2+24х+44
2)х^2-17x+70
3)x^2-40x+351
4)x^2+4x-60
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Answers & Comments
(x+2)(x+22)
2)х^2-17x+70=x²-10x-7x+70)=x(x-7)-10(x-7)=(x-7)(x-10)
3)x^2-40x+351=x²-2*20x+400-49=(x-20)²-7²=(x-20-7)(x-20+7)=
(x-27)(x-13)
4)x^2+4x-60=x²+10x-6x-60=x(x+10)-6(x+10)=(x+10)(x-6)